The pulse dose location ranges from just one to 6 LPM. Additionally, it contains a continuous location of 1 to 3 LPM for precision oxygen. The battery keeps each pulse dose manner chugging for around 4 several hours and as much as 1.5 several hours working during the continuous method. https://socialdosa.com/story3322200/detailed-notes-on-inogen-portable-oxygen-concentrator-for-sale